package com.spring.future.modules.sys.service;

import com.spring.future.common.mybatis.domain.Page;
import com.spring.future.common.mybatis.domain.Pageable;
import com.spring.future.modules.sys.domain.Menus;
import com.spring.future.modules.sys.domain.New;
import com.spring.future.modules.sys.mapper.MenusMapper;
import com.spring.future.modules.sys.mapper.NewMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Created by zh on 2017/1/15.
 */
@Service
public class NewService {
    @Autowired
    private NewMapper newMapper;

    public Page findPage(Pageable pageable, Map<String, Object> map) {
        Page<New> page = newMapper.findPage(pageable, map);
        return page;
    }

    public New findOne(String id){
        New news = newMapper.findOne(id);
        String content = getTextFromHtml(news.getContent());
        news.setContent(content);
        return newMapper.findOne(id);
    }

    private static final String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>"; // 定义script的正则表达式
    private static final String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>"; // 定义style的正则表达式
    private static final String regEx_html = "<[^>]+>"; // 定义HTML标签的正则表达式
    private static final String regEx_space = "\\s*|\t|\r|\n";//定义空格回车换行符

    public static String delHTMLTag(String htmlStr) {
        Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);
        Matcher m_script = p_script.matcher(htmlStr);
        htmlStr = m_script.replaceAll(""); // 过滤script标签

        Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);
        Matcher m_style = p_style.matcher(htmlStr);
        htmlStr = m_style.replaceAll(""); // 过滤style标签

        Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);
        Matcher m_html = p_html.matcher(htmlStr);
        htmlStr = m_html.replaceAll(""); // 过滤html标签

        Pattern p_space = Pattern.compile(regEx_space, Pattern.CASE_INSENSITIVE);
        Matcher m_space = p_space.matcher(htmlStr);
        htmlStr = m_space.replaceAll(""); // 过滤空格回车标签
        return htmlStr.trim(); // 返回文本字符串
    }

    public static String getTextFromHtml(String content){
        content = delHTMLTag(content);
        content = content.replaceAll("&nbsp;", "");
        content = content.replaceAll(" ", "");
        content = content.substring(0, content.indexOf("。")+1);
        return content;
    }
}
